20,899 Topics
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| | HI! I'm currently working on a utility software, file compression, with VB.Net. And using an open source library to compress and decompress files - DotNetZip - and already running. My friend told to make it unique and not traditional, that I make the output compressed files cannot be opened with … |
| | Hello.. I am developing a windows app and i have a form in which i have 2 datagridviews.. dgv1 is the main gridview with checkbox column and when the user checks the box, that row should be visible in dgv3 (other datagridview).. The code i used is : [CODE] Imports … |
| | Hey all, Came across this site while scouring the web for a solution to my problem. All of the answers on here seem very helpful and non judgmental. That is hard to come by in a lot of programming forums, so thanks. My Question. I am using VS 2008 and … |
| | Can anyone help me to do this : Select previous field based on previous field in sql. I had tried a lot of ways but it seems doesn't works. [CODE]Select alert_value , year_id from company_alert where year_id = "2010" and year_id = year_id - 1 group by year_id[/CODE] could anyone …  |
| | hello friends, how can i design a region in vb.net form(windows application), such that when i click any point inside a region a new page opens. my problem is that the region which i want to define through it is very complex..its a combination of a rectangle and another shape. … |
| | Hi All, Been reluctant to drop this on anyone as I wanted to resolve it myself but alas it has got the better of me. I am trying to do an insert into an Access 2007 DB but keep getting a syntax error even thougt I can get the generated …  |
| | i have used flash file (SWF) in .net 2003 winforms. some time occured in the following errors "Child is not a child control of this parent" please help me : how to rectified and give to any solution. my Code is : Me.flaRandH = New AxShockwaveFlashObjects.AxShockwaveFlash flaRandH.Movie = Application.StartupPath & … |
| | So, my Vb 2010 midterm project is due a 8am (about 2 hours). I have coded almost everything I need. Just before I was about to submit this, I noticed in the instructions that hours needs to be included as well. I have been trying to do this for about … |
| | ' I want to get some idea about my new project I my project take the text from web site to text box and that the code coming like this exam: #DESCRIPTION ---------- 1 ---------- #SERVICE 1:0:1:1FAD:2454:13E:820000:0:0:0: #SERVICE 1:0:1:1FAD:2454:13E:820000:0:0:0: #DESCRIPTION ---------- 2 ---------- #SERVICE 1:0:1:1FAD:2454:13E:820000:0:0:0: #SERVICE 1:0:1:1FAD:2454:13E:820000:0:0:0: >>>to end ok … |
 | hi all! i'm not sure where to post this. i hope i'm posting at the right section. previously i use formula as below; [CODE] Dim total1 As Label = CType(e.Item.FindControl("total1"), Label) total1.Text = e.Item.DataItem("receivable").ToString * 365 / e.Item.DataItem("revenue").ToString[/CODE] note that the 'receivable' and 'revenue' are taken from database(mysql) however,if the … |
| | Guys I just want to inquire if it's possible to create a program that can lock not only the application but the whole system(PC)? What I want is that, if my application wasn't used within a specified time frame, it will automatically o\lock the whole computer and it can only …  |
| | hello I'm NOT new to vb.net but i have never used a UserControl in the following manner: In need to make a UserControll that can be put in a list of them depending on how many the user chooses and then if there are more than 4 to have a … |
| | I have made a crystal report with subreports, In my subreports I have added commands like: SELECT * FROM Orders where orederID = {?orderID} When I run the report in viewer the report prompts for the orderID with a dialogbox. But I have several subreports that requires the same orderID … |
| | Hello, i was wondering how would i make a search kind of thing, for example if string1 contains all the words in string2 words. like a search(not just if string1 contains string 2). it should work something like this: If string1 is "an apple" and if string2 is "djsjfsfg apple … |
| | [CODE]Public Class Form1 Private Sub Button1cmdRun_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1cmdRun.Click ' Variable declaration & initilization Dim hour As Integer Dim minute As Integer Dim second As Integer ' Validation If IsNumeric(txbTotal.Text) And txbTotal.Text Then >= 0 Then ' Total number of seconds Dim totalSeconds As … |
| | Hi, i am still a beginner in vb.net, please help me.. My question here is when i input data to a textbox1 and then i press enter using keyboard, then another description will appear in textbox2. For example, i have to key in a company's code: A001 into textbox1, after …  |
| | Hello dear i want to Identify filled rectangles in picture given picture in vb .net. Please help me in this matter. please |
| | Hi All, I have noticed that there is another thread about this matter, but could not quite get my head around it. Basically I have to create an application which is a quiz. According to the users score it will then determine what level of skill they have. I know …  |
| | Please help me I am new to VB.net and I want to create a pop-up window in VB.net Thanks  |
| | i m using following query for inserting data into my database... everything is ok but whenever i restart my form there is no data in my tables :( do i need to use commit statement ?? if yes then how ? [CODE] Private Sub Button1_insert_Click(ByVal sender As System.Object, ByVal e …  |
| | hello friends, how can i perform a label click event using the code only. like in button we have a code like me.button1.performclick is there something like in label thanks in advance.... |
| | code: Dim N As String N = InputBox(Combo1 & " search") adodc1.recordset.find Combo1.List(Combo1.ListIndex " ' = ' " & N & " ' ") if adodc1.Recordset.EOF then msgbox "No File Records" end if |
| | we have our system running but our system needs to be modified because we did something wrong...we are doing an "Internet monitoring System" in our school library where the user can only access the internet 1hr a day, and he/she cannot use the internet within that day if he couldn't …  |
| | Hello! I would like to ask if you guys know how to convert 1 to 00001? For example, I have an item in my database with an ID of 00001. When I add another item again, it must increment already to 00002. But when I try adding one, the next … |
 | Hi, I am building a VB.NET app which amond other things, deploys a scheduled task to run test.bat when A Windows Server 2008 Backup is cancled. I have the app all working which runs a command which, when works, will be the event creation command. I figured out how it … |
| | Hi, beginner in vb here, I'm trying to write a game of blackjack in vb.net, and I'm currently trying to set up a subroutine that will check to see if a card matches another card already dealt, and if so deal a different card (to avoid dealing the same card … |
 | Using: MS Access 2010 Visual Studio 2010 with Provider=Microsoft.ACE.OLEDB.12.0 Connection I have 2 forms: frmCustomers contains datagridview that launches frmEdit used to edit record. The issue I am having is my save button on frmEdit saves changes to the datagridview on frmCustomers but not to the database frmCustomers: [CODE]Public Class … |
| | This is a loong story, if you are a student in high school, you might have the idea what "FBLA" is. Let me just state my questions: ( Keep that in mind, i learn vb.net for almost half an year, dont know how to do the data base yet) So … |
| | Hello !! Sorry to bother you again.. I am making a windows app using vb.net, ms access 2003 and vs 2008.. The form i have is named BOM, it contains a datagridview that has checkboxes.. The user needs to select a row by checking on the checkbox.. These selected rows … |
| | hello friends, i am developing a windows application,can anybody tell me how can i store the view state of a page in vb.net. i have 12 labels on a page and when i click on each label the color of the label changes to black, what i want is when … |
 | i really don't know how to slove the erro in my program.. ..can you please help me?? thank you in advance ,.. [CODE]Public Class Form1 Dim con As New OleDb.OleDbConnection Dim cmd As New OleDb.OleDbCommand Dim da As New OleDb.OleDbDataAdapter Dim ds As New DataSet Dim sql As String Dim … |
| | Hey hi all, I have an problem to assign a startup form in vb.net . I have three forms 1) Registration Form 2) Login Form 3) Main Form Firstly i have set set startup form as registration in properties =>Application after registartion completed or saved i am displaying the Login … |
| | HI , I'm currently creating a system for medical record for our school project i was wondering , if someone could help me.. i always get this error " Couldn't find 'C:/User/...' " i coudnt retrieve the filename of the picture so that i can store it in my database … |
| | Using: MS Access 2010 Visual Studio 2010 with Provider=Microsoft.ACE.OLEDB.12.0 Connection I have tried multiple ways to do this fought through Concurrency issues current code gives no errors however when I re Fill DataSet nothing has been removed from database... Current code for Button1(reload data), Button2(delete row): [CODE] Private Sub Button1_Click(ByVal … |
| | Having a problem with my sql, I am creating program for my ALevel and when I go to create a logins page I wish to have a button that will allow me to create a new login and save it to my database. when I click the button I keep … |
| | Please help.why my insert doesn't insert into mysql database [CODE] Imports FISTv2.mdlDataConn Imports MySql.Data.MySqlClient Imports System.Data Partial Public Class DSO Inherits System.Web.UI.Page Private cmd As New MySqlCommand Dim myCommand As New MySqlCommand Private dr As MySqlDataReader Dim activity, issue_id As String Dim pperiod As String Dim bboard As String Dim … |
| | I have made a crystal report, to be able to display data from several tables in the same report I have made a few subreports. But when I display the report some of the subreports grow beyond the next report, why doesn't the next report moove further down and start … |
| | Hi All, iam having a timer in my application and want it to be enabled based on the time pollings that are read from config file like below : <appSettings> <add key ="PollBetweenTime" value ="06:10-07:10;19:00-20:00"/> <add key ="PollInterval" value ="10000"/> </appSettings> Here The pollingbetweentime indicates the time that the timer … |
| | Here is a snippet of the code that I have thus far (Which I wish worked): [CODE] Dim PlayedSound as string If ComboBox1.SelectedItem = "Sound 1" Then PlayedSound = "Sound1" My.Computer.Audio.Play(My.Resources.(PlayedSound, AudioPlayMode.Background) [/CODE] So basically the combobox1 item which is selected is sent to a string and is then supposed … |
| | I had a problem on displaying count sql in vb. Anyone would help me? I had google about this, and I had to use executereader but I don't know how to use it [CODE]Dim dso1 As Label = CType(e.Item.FindControl("dso1"), Label) If Not IsNothing(dso1) Then Dim name As String name = … |
| | can someone help me connecting ms access 2010 to visual basic 2008, this is the error of my program every time I run it "The 'Microsoft.ACE.Oledb.12.0' provider is not registered on the local machine." here is my code for the provider Imports System Imports System.Data Imports System.Data.OleDb Public Class Form1 … |
| | hi.! Im niño morata. Can you plz solve my problem. I have a assignment datagrid search.. when I click search command botton to my program...there is problem, but when I try to click a search command botton again the msgbox say that "no record found" [ code of search command … |
| | I want to know how to DELETE AND UPDATE ITEMS in objectlist MObile webform .. because I already view all the entry in a registration FORM the problem is when i click the view button its show all the items then when I click the Items i add delete and … |
| | So I need to write a program that will approximate PHI (the golden ratio) using Fibonacci Numbers. It has to be within a negative power of 10 (between -1 and -16) oh PHI. So for example, if I put -2 into the input, the approximation of PHI would have to … |
| | I am trying to insert one file at the end of another but the first file's formatting gets messed up. It's lines start bleeding into the later pages. [code]Dim oWord As Word.Application Dim oDoc As Word.Document Dim oDoc2 As Word.Document Dim oDoc3 As Word.Document Dim oSelection As Word.Selection oWord = … |
| | I have an xml file document and I am trying to display the xml contents in a datagridview. Can I please get some help with this? what am I doing wrong? I had it working when I pull one column at a time [CODE] Dim gridtable As DataTable = New … |
| | Hey guys, Im having a little problem with adding textbox.Im generating unique key with OrderNumber+ProductId+Series. OrderNumber:18501 ProductId:2100 SeriesNumber:01 Series starts at "01" and gets added one everytime I hit button1,so next time I press button1,it will be "02".When I add them up this is the result I get: Result:18501-2100-1 But … |
 | I am exporting data to excel but inserting rows is very slow about 2 seconds per row pls help using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.OleDb; using System.Data.SqlClient; using System.IO; using Microsoft.Office.Interop.Excel; namespace Dashboard { public partial class Form1 … |
| | Dear all, I have problem i have table name "WO" in oracle db i want "Whenever I start my program, I want it it look at all the works orders, and if any works order has a date that is exactly one month before today's date, then I want the … |
| | hello friends [U]how can i disable view state[/U] in vb.net,so that i have the properties of labels as i left,when i return to a page. i am developing a windows application. thanks in advance. |
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